The Ad Optimization group in Bangalore manages data-science focused products and platforms for the worldwide advertising organization in Amazon. The programs that we currently manage ensure delivery of high quality ad-impressions and optimize performance for our advertisers and revenue for our publishers. We currently manage the following programs: Traffic Quality, Viewability, Brand Safety and Contextual Extraction The Traffic Quality team is guardian of the Amazon ad network. This team is responsible for identifying sources of undesirable traffic and are continuously evolving in order to prevent perpetrators of ad fraud from exploiting our ad network.The Iron Mountain team is looking for a Software Engineer to participate in building a global, scaleable, extensible, and secure front-end applications for Billing, Budgeting, Payments, and Promotions Advertiser Experience(AX). These applications have to be capable of seamlessly interacting with different downstream ad serving platforms, billing and budgeting systems for the broad variety of Advertisement programs with no loss in information and builds customer facing front-end applications to enable frictionless billing, budgeting and payments for advertising. This platform has to guarantee a SLA of milliseconds to ensure that real time front-end experience of advertisers are not impacted. To build this platform you will need to be well versed with high performance and distributed architecture.Key Technical Challenges:Distributed and Scalable Architecture: Looking at advertising international expansion and business growth plans for next year, we expect this traffic to grow 10X in near future. Billing systems should be easily scalable to manage an exponential increase in business and extensible to support different business needs.High Availability: These are customer facing Tier-1 front-end applications. Downtime in Advertiser Experience systems can cause a huge loss in revenue and loss of business opportunity for our advertisers. This can be a big trust buster for our advertisers. High Availability architecture is to make sure that the system is configured to handle different loads and different failures with minimal or no downtime.Key responsibilities:

You own what you and your team creates.

You work with your team to invent, design, and build software that is stable, performant, secure, and accessibility compliant. You work on feature ideas with customers, designers, product managers, stakeholders, and peers.

You increase the speed of implementation of backend features by identifying and mitigating design risks early.

You view your interface creations from the customer s point of view.

You are judicious when introducing dependencies and efficient with resource usage (e.g., application impact on memory and CPU, cache appropriately, respectful of customer s devices, etc.).

The fast growing Iron Mountain team today has members across Bangalore, Seattle, and New York, and like the advertising business is truly global in spirit!

Amazon.com offers competitive salary, stock grants, health and other benefits., Bachelor s degree in Computer Science or equivalent work experience. 5+ years of overall software development experience, with an emphasis on Back-End engineering and Full-Stack development. Experience with modern web technologies and techniques such as Java, J2EE, Spring,Hibernate frameworks, Javascript, and other back-end frameworks technologies. Experience with Sql, Nosql, DynamoDb, Redis, JavaScript build tools, and modern JavaScript frameworks such as React and Angular JS . Experience with MVC frameworks, Ruby on Rails or Spring MVC, event driven workflow frameworks such as Akka, Storm, etc. Experience building rich data-driven web applications by consuming RESTful services and APIs. Ability to effectively articulate technical challenges and solutions. Knowledge of professional software engineering practices & best practices for the full software development life cycle, including coding standards, code reviews Experience building scalable back-end infrastructure software or distributed systems for commercial online services. Exposure to back-end libraries/framework - primarily Spring, Hibernate. Able to solve difficult software problems with some ambiguity. Can articulate the risks and benefits of depending on back-end libraries, frameworks, and toolsets. Able to dive into the source code of frameworks and libraries to debug, patch, and extend them when necessary. Understands how to be efficient with resource usage (e.g., application impact on memory and CPU, caches appropriately, respectful of customer s devices, etc.). Good knowledge of AWS Services and IAAS/SAAS concepts

Company Description: Amazon.com opened on the World Wide Web in July 1995. The company is guided by four principles: customer obsession rather than competitor focus, passion for invention, commitment to operational excellence, and long-term thinking. Customer reviews, 1-Click shopping, personalized recommendations, Prime, Fulfillment by Amazon, AWS, Kindle Direct Publishing, Kindle, Fire phone, Fire tablets, and Fire TV are some of the products and services pioneered by Amazon.